Flexible for each holder winding needed. Embedded anti Glare Indicator LED. Will not disturb your sleeping at night, we think more for you even each detail. Rotation Per Day for Different Winding Needed. Mode 2: 576 RPD; Use for those daily long time worn watches.

Mode 3: 1584 RPD; Use for those daily short time worn watches. Mode 4: 2112 RPD; Use for those weekly occasional worn watches. Mode 5: 2640 RPD; Use for those collectable watches.

Tips: Don't know what mode your watch is needed. Start from Mode 2 testing the time slow down or not to judge. If further mode is needed, thus prevent watch from over winding.